Keywords: Blow-Back firearm operation.png en Simplified comparison diagram of Simple Blowback and Blowforward operation SBBK-SBFWD PNG 2010-12-31 18 52 UTC SBBK-SBFWD PNG Amenhtp derivative work DL24 <span class signature-talk >talk</span> Only blowback action depicted DL24 SBBK-SBFWD PNG Own work by uploader Amenhtp 2009/06/21 other_v</nowiki> Uploaded with derivativeFX Blowback operation |